AC Cost Guide
Cost guide
AC Replacement Cost
Typical planning range: $5,800 - $15,900.
This guide is the main entry point for homeowners comparing basic central AC replacement prices across the U.S.
It helps readers who need a fast planning range before calling contractors, and who want to understand why two quotes can differ so much.
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What makes this cost different?
central AC replacement, installation labor, equipment size, and duct condition
What to check in quotes
- A replacement quote should explain equipment size, line set condition, thermostat compatibility, permit handling, and whether duct repairs are included.
- Low quotes often leave out labor items or upgrades, while high quotes usually bundle more complete installation work or better equipment tiers.
Cost by home size
| Home size | Typical range | Notes |
|---|---|---|
| Under 1,200 sq ft | $4,900 - $9,800 | often smaller split systems |
| 1,200 - 2,000 sq ft | $5,800 - $13,600 | common planning range |
| 2,001 - 3,000 sq ft | $7,700 - $17,500 | may need larger tonnage |
| Over 3,000 sq ft | $10,300 - $24,000 | zoning may matter |
Questions homeowners ask
What does AC replacement include?
Usually the outdoor unit, indoor coil or air handler work, labor, and the basic installation materials.
Why do AC quotes differ?
The biggest differences are equipment level, duct work, electrical updates, and warranty scope.
Should I compare three quotes?
Yes, and ask each contractor to include the same scope of work.